C08G 73/1085
Polyimides with diamino moieties or tetracarboxylic segments containing heterocyclic moieties
Official title: {Polyimides with diamino moieties or tetracarboxylic segments containing heterocyclic moieties}
C08G73/1085 (Polyimides with diamino moieties or tetracarboxylic segments containing heterocyclic moieties) appears on 259 US grants and 226 published applications in this corpus.
Search patents in C08G- Granted patents
- 259
- Published applications
- 226
- Assignees
- 151
- Inventors
- 736
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 1 |
| 2003 | 0 | 4 |
| 2004 | 2 | 4 |
| 2005 | 1 | 2 |
| 2006 | 5 | 4 |
| 2007 | 0 | 0 |
| 2008 | 4 | 5 |
| 2009 | 1 | 6 |
| 2010 | 2 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 6 |
| 2014 | 5 | 13 |
| 2015 | 5 | 13 |
| 2016 | 11 | 12 |
| 2017 | 11 | 6 |
| 2018 | 7 | 10 |
| 2019 | 6 | 17 |
| 2020 | 7 | 19 |
| 2021 | 12 | 28 |
| 2022 | 13 | 19 |
| 2023 | 13 | 10 |
| 2024 | 20 | 15 |
| 2025 | 8 | 12 |
| 2026 | 7 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyimide precursor prepared by using polycyclic monomer including trifluoromethyl group and flexible polyimide obtained by using the same18 Aug 2026US 12,709,662 B2Korea Advanced Institute of Science and Technology
- Polyimide binder precursor composition, and power storage device using same14 Jul 2026US 12,683,167 B2Ube Corporation
- Photosensitive polyimide compositions9 Jun 2026US 12,650,646 B2Promerus, LLC
- Unsaturated cyclic anhydride end capped polyimides and polyamic acids and photosensitive compositions thereof2 Jun 2026US 12,643,981 B2Promerus, LLC
- Method for the synthesis of a two-dimensional or quasi-two-dimensional polymer film, the two-dimensional or quasi-two-dimensional polymer film and the use14 Apr 2026US 12,600,827 B2Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Thermosetting maleimide resin composition, sheet-like or film-like composition using same, adhesive agent composition, primer composition, composition for substrates, coating material composition, and semiconductor device17 Sep 2026US 2026/0275038 A1Nippon Kayaku Kabushiki Kaisha
- Polyimide precursor composition, polyimide film, laminate, electronic device, method of producing laminate, method of producing polyimide film, and method of producing electronic device10 Sep 2026US 2026/0265459 A1Kaneka Corporation
- Polycyclic dianhydride and acid anhydride compounds having sulfonyl group, and polyimide-based resin and film using the same13 Aug 2026US 2026/0234332 A1Korea Advanced Institute of Science and Technology
- Imide composition and preservative composition comprising the imide composition23 Jul 2026US 2026/0209439 A1
- Melamine-containing co-polyimide membranes for natural gas separation9 Jul 2026US 2026/0193413 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Polyimide curing process and improved thermal ink jet printhead prepared thereby126US 5,869,595 AXerox Corporation · 1999
- Polyimides, a process for their preparation and their use90US 4,629,777 ACiba-Geigy Corporation · 1986
- Asymmetric polyimide membranes65US 4,113,628 AE. I. Du Pont de Nemours and Company · 1978
- Gas separating material56US 4,690,873 AUbe Industries, Ltd. · 1987
- Metal ion porphyrin-containing poly(imide)56US 5,312,896 ASRI International · 1994